General

  • Target

    2024-06-11_c4e33d7fd77461b59abd3c3fa3bb2581_destroyer_wannacry

  • Size

    27KB

  • Sample

    240611-le85yssapc

  • MD5

    c4e33d7fd77461b59abd3c3fa3bb2581

  • SHA1

    0664f4e2a19a83fb8116586efe5841b176a8ac1c

  • SHA256

    13093afa52908c4ae621f363fa63a68d204b0c895815a94f2924b8d289b388d1

  • SHA512

    33f574a12b4209f8d04e1ad8daa54ec0bf6d42e5ca0f3d259dcda7781b9955d4b5148fadc0d22dde83da727295834689d0ca388785e8cc03903793b5837c5d76

  • SSDEEP

    384:MftWZPzzxAm1vp5ZRoDCFKW6pAnAQ51Ml4Oy5o91fDpC82vy:MW7zxAmpfyCz6pVQ53ho9hDo82a

Malware Config

Extracted

Path

C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\read_it.txt

Ransom Note
Don't worry, you can return all your files! All your files like documents, photos, databases and other important are encrypted What guarantees do we give to you? You can send 3 of your encrypted files and we decrypt it for free. You must follow these steps To decrypt your files : 1) Write on our e-mail :[email protected] ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: [email protected]) 2) Obtain Bitcoin (You have to pay for decryption in Bitcoins. After payment we will send you the tool that will decrypt all your files.)

Targets

    • Target

      2024-06-11_c4e33d7fd77461b59abd3c3fa3bb2581_destroyer_wannacry

    • Size

      27KB

    • MD5

      c4e33d7fd77461b59abd3c3fa3bb2581

    • SHA1

      0664f4e2a19a83fb8116586efe5841b176a8ac1c

    • SHA256

      13093afa52908c4ae621f363fa63a68d204b0c895815a94f2924b8d289b388d1

    • SHA512

      33f574a12b4209f8d04e1ad8daa54ec0bf6d42e5ca0f3d259dcda7781b9955d4b5148fadc0d22dde83da727295834689d0ca388785e8cc03903793b5837c5d76

    • SSDEEP

      384:MftWZPzzxAm1vp5ZRoDCFKW6pAnAQ51Ml4Oy5o91fDpC82vy:MW7zxAmpfyCz6pVQ53ho9hDo82a

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Detects command variations typically used by ransomware

    • Detects executables containing many references to VEEAM. Observed in ransomware

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Disables Task Manager via registry modification

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

MITRE ATT&CK Matrix ATT&CK v13

Execution

Windows Management Instrumentation

1
T1047

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

4
T1490

Tasks